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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Potamogeton epihydrus ： ウィキペディア英語版 Potamogeton epihydrus ''Potamogeton epihydrus'' is a perennial aquatic plant known by the common name ribbonleaf pondweed, Nuttall's pondweed (not to be confused with ''Elodea nuttallii'') or in Britain and Ireland American pondweed.〔 It is native to much of North America, where it grows in water bodies such as ponds, lakes, ditches, and slow-moving streams.〔 ==Description== This is a perennial, rhizomatous herb producing narrow, compressed, unspotted stems to a maximum length of about 1 m.〔〔 The stems are either unbranched or sparingly branched.〔 It has two types of leaf. The submersed leaves are sessile 5-25 cm long and 0.1-1 cm wide, translucent, linear in shape and ribbonlike, red-brown to light green in colour with a blunt to acute tip.〔 The floating leaves are similar to the floating leaves of other ''Potamogeton'', petiolate and opaque, up to 8 centimeters long and 3 wide. The inflorescence is a small spike of flowers that arises from the water on a peduncle 1.5-5 (rarely up to 16) cm.〔 This is a diploid species, with 2n = 26.〔〔 Hybrids have been described with ''P. gramineus'', ''P. nodosus'' (''P.'' × ''subsessilis'' Hagstrom), ''P. bicupulatus'' (''P.'' × ''aemulans'' Z. Kaplan, Hellq. and Fehrer), and ''P. perfoliatus'' (''P.'' × ''versicolor'' Z. Kaplan, Hellq. and Fehrer).〔〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Potamogeton epihydrus」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.